{"source":"https://api.gridrock.ai/mcp","tool":"find_twins","scope":"mh36","archetype":"twins","cell":{"admin_code":490,"cluster_id":4900007712},"envelope":{"ok":true,"tool":"find_twins","generation":{"namespace":"bs:cube:0852c73eef54","schema_fingerprint_ns":"0852c73eef54"},"result":{"twin_keys":["490:4900008598","490:4900010182","490:4900009271","490:4900010179","490:4900010084","490:4900008704","490:4900010792","490:4900009578","490:4900009476","490:4900010275","490:4900010085","490:4900010629","490:4900010280","490:4900010181","490:4900010614","490:4900009783","490:4900009698","490:4900009486","490:4900010189","490:4900002424","490:4900009880","490:4900009779","490:4900009166","490:4900010076","490:4900010101"],"twin_admin_codes":[490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490,490],"twin_sims":[0.2492071640023406,0.23942136768243125,0.21703968463982695,0.20821238647087922,0.16641637630932893,0.16269552995918157,0.13763359033806524,0.13256499655506493,0.1021544624628547,0.10024708762250852,0.09462337155109432,0.09444619470700025,0.0939037721827982,0.0891907735541819,0.08901732017418075,0.08316039792102234,0.08170056313895784,0.0811249874773062,0.07982638246279183,0.07849173582170552,0.07513777156423349,0.07431197487234241,0.0658438091121462,0.06444629111008379,0.06374872601952472],"twin_dists":[0.21650281500638122,0.21960160835073197,0.22701488744392861,0.23007928948358686,0.2459578895962815,0.24750375234283287,0.2586531372104231,0.26108856625207955,0.27741319834558914,0.27855684368629446,0.282031100476508,0.28214316802456096,0.2824872934387011,0.28554539712713917,0.2856603634351061,0.2896512068077838,0.2906807118002367,0.291090667573147,0.29202423430170077,0.29299649425108315,0.2954998164031141,0.296129960737145,0.3029429178896583,0.3041350540407387,0.3047380283224545],"n_dims_used":45,"mean_confidence":0.9280953301323784},"coverage":{"mean_confidence":0.9280953301323784,"n_dims_used":45,"similarity_metric":{"field":"twin_sims","kind":"cosine_in_zscored_morphology_space","range":"[-1, 1]; higher = more similar","interpretation":"cosine similarity in the z-scored feature space (n_dims_used dims). High-dimensional cosine concentrates near 0, so absolute values are typically SMALL and are meaningful only RELATIVELY (rank order / vs the cohort) — NOT a 0–1 probability. mean_confidence is the SEPARATE GUM uncertainty weight of the anchor's witnessed features, not a function of the similarities."}},"error":null}}